HS Code for Heat Pump Systems
The HS Code for heat pump systems is 841581. The MFN duty rate for importing to the US is 2.2%.
| HS Code (6-digit) | 841581 |
|---|---|
| US HTS (10-digit) | 8415810000 |
| EU CN Code (8-digit) | 84158100 |
| US Duty Rate (MFN) | 2.2% |
| EU Duty Rate (MFN) | 2.5% |
| Chapter | 84 |
| Heading | 8415 |
| Last Updated | 2026-05 |
Description
Air conditioning machines incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps)
HS Code 841581 covers air conditioning machines with reversible cooling and heating cycles, known as heat pumps, with a US MFN duty rate of 2.2%.
Frequently Asked Questions
What are the key regulatory compliance requirements for importing reversible heat pumps under HTS 841581?
Imports of reversible heat pumps under this code are subject to Department of Energy (DOE) energy efficiency standards and EPA refrigerant regulations under the Significant New Alternatives Policy (SNAP) program. You must be prepared to provide documentation proving the unit's compliance with the applicable DOE conservation standard and that it uses an EPA-approved refrigerant for its specific end-use.
What are the critical packaging and shipping requirements for reversible heat pumps (HTS 841581) to prevent customs delays?
Units must be professionally packed and secured on pallets with weatherproof protection, as customs authorities frequently inspect for transit damage that can affect safety and operation. The commercial invoice must clearly state the model, BTU/h capacity, and that it is a 'reversible heat pump' to align with the HTS 841581 description, avoiding misclassification. Including the refrigerant type (e.g., R410A) and charge weight in documentation is also essential for environmental compliance checks during shipping.
Common Classification Mistakes for Heat Pump Systems
A frequent error is misclassifying heat pumps designed solely for air conditioning (cooling-only) under 8415.81; these belong in 8415.83. Conversely, ensure the unit is a reversible 'air-source' heat pump to correctly use this code, as ground/water-source units fall under 8415.82. Also, do not classify complete, pre-charged split-system kits here; if the refrigerant circuit components are imported together for a single installation, they are often classified as a unitary air conditioner under 8415.10. Always verify the system's primary function and whether it is a complete set.
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